Let us next look at magnetic moments. In Fig REF  we show these for the Ca isotopes (\(A=41\) ) to 47 again from the work of Ruiz et al. [1]}. There is considerable deviation from the single \(j\)  value \(\mu \)  (free neutron) = \(-1.913\mu _{n}\) . They are closer to \(-1.4\) . This is called quenching. But the prediction of the single \(j\)  that all \(g\)  factors should be the same, is approximately realized. Of course the deviations from the simple result is of great interest and should be addressed.
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